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What is Braking Force?

1 Answers

Maci

07/30/25 3:44am

When a vehicle changes speed, inertial force is generated. The inertial force produced during the braking process is commonly referred to as braking force. The main methods of generating braking force are friction braking and electric braking. Below are the relevant introductions: Friction Braking: Air pressure is transmitted through mechanical transmission devices to brake shoes or brake pads, generating braking force through the friction between the brake shoes and the wheel tread or between the brake pads and the brake disc. Brake shoe friction braking is the primary braking method used in China. With the increase in transportation speed and load, disc braking has been widely adopted. Disc braking replaces the friction between the wheel tread and brake shoes with the friction between the brake disc mounted on the axle and the brake pads, thereby reducing the thermal load on the wheel tread, extending the service life of the wheels, and ensuring driving safety. Electric Braking: Electric braking is a type of dynamic braking. In electric or diesel locomotives, the traction motor is converted into a generator, transforming the kinetic energy of the train into electrical energy that is fed back into the overhead line or converted into heat energy by resistors and dissipated into the atmosphere. However, this type of braking can only serve as an auxiliary speed regulation method; stopping still relies on friction braking. Regenerative braking can convert a portion of kinetic energy into useful work, but the feedback energy requires certain absorption devices.

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